CN114488712A - Full-automatic high-speed exposure equipment and method for circuit board - Google Patents
Full-automatic high-speed exposure equipment and method for circuit board Download PDFInfo
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- CN114488712A CN114488712A CN202210149720.9A CN202210149720A CN114488712A CN 114488712 A CN114488712 A CN 114488712A CN 202210149720 A CN202210149720 A CN 202210149720A CN 114488712 A CN114488712 A CN 114488712A
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- exposure
- plate
- circuit board
- lamp body
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2022—Multi-step exposure, e.g. hybrid; backside exposure; blanket exposure, e.g. for image reversal; edge exposure, e.g. for edge bead removal; corrective exposure
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70691—Handling of masks or workpieces
- G03F7/70716—Stages
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70691—Handling of masks or workpieces
- G03F7/70733—Handling masks and workpieces, e.g. exchange of workpiece or mask, transport of workpiece or mask
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70808—Construction details, e.g. housing, load-lock, seals or windows for passing light in or out of apparatus
- G03F7/70833—Mounting of optical systems, e.g. mounting of illumination system, projection system or stage systems on base-plate or ground
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
Abstract
The utility model discloses a full-automatic high-speed exposure device for a circuit board, which comprises an exposure box body, a feeding rail, a discharging rail and an exposure device, wherein the exposure box body is provided with a feeding hole; a lamp body mounting seat of the exposure lamp assembly is correspondingly arranged on an upper inner cavity and a lower inner cavity of the exposure box body through a moving mechanism, a rotating disc is rotatably arranged on a vertical part on one side of the lamp body mounting seat, a positioning plate is arranged at the circle center of the rotating disc, a pin shaft is arranged at the position of the rotating disc far away from the circle center, a driven plate is arranged on the lamp body mounting seat, and a rectangular groove body matched with the pin shaft is arranged on the driven plate; the center of the driven plate is provided with connecting plates at equal intervals, and the end part of each connecting plate is provided with a mounting plate for fixing the exposure lamp body; the utility model can automatically and continuously expose the circuit board and expose the front and back surfaces of the circuit board, thereby realizing the full-automatic and high-speed exposure of the circuit board.
Description
Technical Field
The utility model belongs to the technical field of circuit boards, and particularly relates to full-automatic high-speed exposure equipment and a method for a circuit board.
Background
Chinese patent CN213843755U discloses an exposure machine for automatic alignment recognition of printed circuit board production, which comprises an exposure machine body, wherein both sides of the top of the exposure machine body are fixedly provided with exposure lamps, both bottoms of both sides of the inner wall of the exposure machine body are provided with first mounting grooves, and both ends of the bottoms of the two first mounting grooves are fixedly provided with first hydraulic cylinders; the main identification chip and the auxiliary identification chip are sequentially subjected to shape identification through a pre-programmed sequence in the controller, when the main identification chip cannot be identified, the auxiliary identification chip is identified by the operation of the auxiliary identification chip, and when the four auxiliary identification chips are identified, the controller controls the exposure lamp to expose;
in the prior art, the exposure equipment adopted by the circuit board usually carries out exposure work by placing the circuit board to be processed into the exposure equipment, and then, the circuit board is adjusted to carry out exposure treatment on the other surface, so that the problems that the working efficiency is low and the full-automatic exposure treatment of the circuit board cannot be realized exist.
Disclosure of Invention
The present invention is directed to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide a full-automatic high-speed exposure apparatus and method for a circuit board, which can perform automatic and continuous exposure processing on the circuit board, and perform exposure processing on both sides of the circuit board, thereby greatly improving the efficiency of performing exposure processing on the circuit board, and thus realizing full-automatic and high-speed exposure processing on the circuit board.
The purpose of the utility model can be realized by the following technical scheme:
a full-automatic high-speed exposure device for a circuit board comprises an exposure box body, a feeding rail, a discharging rail and an exposure device;
a feeding track and a discharging track are respectively arranged on the same side of the exposure box body; an exposure device is arranged in the exposure box body;
the exposure device comprises an exposure lamp assembly; the lamp body mounting seat of the exposure lamp assembly is correspondingly arranged on the upper inner cavity and the lower inner cavity of the exposure box body through a moving mechanism, a rotary disc is rotatably arranged on the vertical part on one side of the lamp body mounting seat, a positioning plate is arranged at the circle center of the rotary disc, a pin shaft is arranged at the position of the rotary disc far away from the circle center, a driven plate is arranged on the lamp body mounting seat, and a rectangular groove body matched with the pin shaft is arranged on the driven plate; the connecting plates are arranged at the centers of the driven plates at equal intervals, and the end parts of the connecting plates are provided with mounting plates for fixing the exposure lamp bodies.
As a further scheme of the utility model: the lamp body mount pad is U type structure, and the carousel is linked with third driving motor's output, and third driving motor sets up on the side of lamp body mount pad.
As a further scheme of the utility model: the positioning plate is a structure of a circular plate with arc-shaped blocks cut off and is matched with the driven plate, and the driven plate is of a cross-shaped structure.
As a further scheme of the utility model: a vertical part at the other side of the lamp body mounting seat is correspondingly matched with a connecting plate, and the connecting plate is also provided with a mounting plate; the two connecting plates are connected through a connecting rod.
As a further scheme of the utility model: the moving mechanism adopts a screw rod transmission mode to drive the lamp body mounting seat to move horizontally.
As a further scheme of the utility model: the exposure device also comprises a working frame conveying piece, wherein an upper bracket and a lower bracket are respectively arranged on the upper part and the lower part of a middle bracket of the working frame conveying piece; connecting shafts are respectively arranged on the upper support and the lower support, chain wheels are arranged on the connecting shafts at equal intervals, the upper chain wheel and the lower chain wheel are connected through a chain, and a plurality of bearing plate bodies are arranged on the chain at equal intervals.
As a further scheme of the utility model: the bearing frame of the bearing plate body is of a U-shaped structure, and a limiting plate is arranged at the end part, far away from the feeding track, of the bearing frame.
As a further scheme of the utility model: the exposure lamp assembly at the upper part is connected with a discharge plate which is of a U-shaped structure, and the horizontal part above the discharge plate is arranged on the lamp body mounting seat.
As a further scheme of the utility model: the length of the upper horizontal part of the stripper plate is greater than that of the lower horizontal part of the stripper plate, and a through hole matched with the stripper plate is formed in the side wall above the exposure box body; the limiting plate is provided with a material guide hole matched with the horizontal part below the stripper.
A full-automatic high-speed exposure method for a circuit board comprises the following steps:
the method comprises the following steps: the working frame provided with the circuit board is sent to a bearing plate body in the exposure box body through a feeding track; controlling a lower moving mechanism to drive the exposure lamp body to move, and carrying out exposure treatment on the bottom surface of the circuit board;
the method comprises the following steps: after the bottom surface exposure treatment of the circuit board is finished, controlling the bearing plate body to move from bottom to top along the exposure box body; enabling the next group of bearing plate bodies to be located at the horizontal position of the feeding track, moving the next group of working frames provided with the circuit boards into the bearing plate bodies, and carrying out exposure treatment on the bottom surfaces of the next group of circuit boards;
the method comprises the following steps: repeating the work of the step, and meanwhile, when the circuit board subjected to exposure processing is transmitted to the upper part of the exposure box body; and driving the exposure lamp body to move by the moving mechanism above the control part, and carrying out exposure treatment on the top surface of the circuit board.
Compared with the prior art, the utility model has the beneficial effects that:
the exposure lamp assembly can intermittently control the lamp body mounting seat to work according to different process requirements so as to switch different exposure lamp bodies, meet the production requirements of different circuit boards and greatly improve the applicability of a circuit board exposure device;
the working frame transmission part realizes the cyclic transmission of the circuit board, and the transmission can not only transmit the feeding rail to the discharging rail by the circuit board to realize feeding and discharging; but also can carry out uniform and comprehensive exposure treatment on the front surface and the back surface of the circuit board; therefore, the efficiency of exposure treatment on the circuit board is greatly improved; a plurality of bearing plate bodies are arranged at equal intervals, so that the circuit board can be continuously exposed, and the circuit board exposure efficiency is improved;
therefore, the exposure device can automatically and continuously expose the circuit board, thereby greatly improving the efficiency of exposing the circuit board; meanwhile, the exposure lamp assemblies on the upper side and the lower side can expose two sides of the circuit board along the conveying line, so that the efficiency of exposing the circuit board is further improved, and the full-automatic and high-speed exposure treatment of the circuit board is realized.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the inner cavity of the exposure box in the utility model.
FIG. 3 is a schematic view of an exposure apparatus according to the present invention.
Fig. 4 is a schematic structural view of the work frame conveying member of the present invention.
Fig. 5 is a perspective cross-sectional view of a load bearing plate body according to the present invention.
Fig. 6 is a schematic structural view of a lamp body mounting seat according to the present invention.
Fig. 7 is a side view of the lamp body mount of the present invention.
Fig. 8 is a schematic view of the construction of the stripper plate of the present invention.
In the figure: 1. an exposure box body; 2. a feeding track; 3. a discharge rail; 4. a first drive motor; 5. an exposure device; 6. a lower bracket; 7. a middle bracket; 8. an upper bracket; 9. a mounting seat; 10. a connecting shaft; 11. a chain wheel; 12. a chain; 13. a bearing plate body; 14. a stripper plate; 15. a bearing frame; 16. a limiting plate; 17. a material guide hole; 18. an exposure lamp assembly; 19. a limiting rod; 20. a second drive motor; 21. a screw rod; 22. a threaded sleeve; 23. a lamp body mounting base; 24. an exposure lamp body; 25. a turntable; 26. a pin shaft; 27. a driven plate; 28. a trough body; 29. a connecting plate; 30. mounting a plate; 31. positioning a plate; 32. and (4) a sliding sleeve.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, a full-automatic high-speed exposure apparatus for a circuit board includes an exposure box 1, a feeding rail 2, a discharging rail 3, an exposure device 5, and an exposure lamp assembly 18;
a feeding track 2 and a discharging track 3 are respectively arranged on the same side of the exposure box body 1; an exposure device 5 is arranged in the exposure box body 1;
the discharging track 3 is positioned right above the feeding track 2, the feeding track 2 conveys a working frame provided with a circuit board into the exposure box body 1, and the discharging track 3 conveys the exposed working frame out of the exposure box body 1 and sends the working frame to the next working procedure;
when in use, the working frame provided with the circuit board is conveyed into the exposure box body 1 through the feeding rail 2, then is exposed through the exposure device 5 in the exposure box body 1, and then is conveyed to the next working procedure through the discharging rail 3;
referring to fig. 2 and 3, the exposure apparatus 5 includes an exposure lamp assembly 18 and a work frame transfer member; two exposure lamp assemblies 18 are respectively arranged and are respectively positioned at the upper side and the lower side of the inner cavity of the exposure box body 1, and a working frame conveying piece is arranged between the two exposure lamp assemblies 18;
wherein, the working frame conveying piece moves the working frame provided with the circuit board along the exposure box body 1 from bottom to top;
when the exposure device works, the working frame provided with the circuit board is conveyed to the working frame conveying piece, the working frame provided with the circuit board is positioned at the bottom of the exposure box body 1, and at the moment, the bottom surface of the circuit board on the working frame is exposed through the exposure lamp component 18; then, the circuit board is conveyed to the top of the exposure box body 1 through the working frame conveying piece, and the top surface of the circuit board on the working frame is exposed through the exposure lamp component 18; the exposure device 5 can automatically and continuously expose the circuit board, thereby greatly improving the efficiency of exposing the circuit board; meanwhile, the exposure lamp assemblies 18 on the upper side and the lower side can expose two side surfaces of the circuit board along the conveying line, so that the efficiency of exposing the circuit board is further improved;
referring to fig. 6 and 7, the exposure lamp assembly 18 includes a lamp body mounting base 23, an exposure lamp body 24, a rotary disc 25, a pin shaft 26, a driven plate 27, a slot 28, a connecting plate 29, a mounting plate 30, and a positioning plate 31; the lamp body mounting seat 23 is correspondingly arranged on the upper inner cavity and the lower inner cavity of the exposure box body 1 through a moving mechanism, a rotary disc 25 is rotatably arranged on the vertical part on one side of the lamp body mounting seat 23, a positioning plate 31 is arranged at the circle center of the rotary disc 25, the positioning plate 31 is a structure for cutting off arc-shaped blocks on the circular disc and is matched with a driven plate 27, a pin shaft 26 is arranged at the position of the rotary disc 25 away from the circle center, the driven plate 27 is arranged on the lamp body mounting seat 23, and a rectangular groove body 28 matched with the pin shaft 26 is arranged on the driven plate 27; the center of the driven plate 27 is provided with connecting plates 29 at equal intervals, and the end parts of the connecting plates 29 are provided with mounting plates 30 for fixing the exposure lamp body 24;
the lamp body mounting seat 23 is of a U-shaped structure, the rotary disc 25 is connected with an output end of a third driving motor, and the third driving motor is arranged on the side face of the lamp body mounting seat 23; the driven plate 27 is of a cross-shaped structure; a connecting plate 29 is correspondingly matched and arranged on the vertical part at the other side of the lamp body mounting seat 23, and a mounting plate 30 is also arranged on the connecting plate 29; the two connecting plates 29 are connected through the connecting rod, so that when the connecting plate 29 on the vertical part on one side rotates, the connecting rod drives the other connecting plate 29 to rotate, so that the exposure lamp body 24 is driven to rotate, and the exposure lamp body 24 is switched;
when in use, the four groups of mounting plates 30 are provided with the exposure lamp bodies 24 with different process requirements, so that different exposure lamp bodies 24 can be selected according to the production requirements of different circuit boards, and the applicability of the exposure device 5 can be improved; meanwhile, when the exposure lamp body 24 is switched, the rotary disc 25 is driven to rotate only by controlling the third driving motor to work, the pin shaft 26 also rotates, the pin shaft 26 enters the groove body 28 of the driven plate 27 to drive the driven plate 27 to rotate intermittently, and meanwhile, the other connecting plate 29 is driven to rotate through the connecting rod, so that the exposure lamp body 24 on the connecting plate 29 rotates, the exposure lamp body 24 meeting the process requirements is placed at the top, namely below the circuit board, and then the moving mechanism is controlled to drive the exposure lamp body 24 to move, so that the side surface of the circuit board is exposed; therefore, the exposure lamp assembly 18 can intermittently control the lamp body mounting seat 23 to work according to different process requirements to switch different exposure lamp bodies 24, thereby meeting the production requirements of different circuit boards and greatly improving the applicability of the circuit board exposure device 5;
referring to fig. 4, the moving mechanism includes a limiting rod 19, a second driving motor 20, a screw rod 21, a threaded sleeve 22, and a sliding sleeve 32; the second driving motor 20 is installed on the inner wall of the exposure box body 1, the output end of the second driving motor 20 is connected with the screw rod 21, the screw rod 21 is sleeved with the threaded sleeve 22, and the threaded sleeve 22 is arranged on the horizontal part of the lamp body installation seat 23;
wherein, the two sides of the vertical part of the lamp body installation seat 23 are respectively provided with a sliding sleeve 32, the sliding sleeve 32 is sleeved on the limiting rod 19 in a sliding way, and the limiting rod 19 and the sliding sleeve 32 are arranged to play a role of limiting sliding;
when the LED lamp works, the second driving motor 20 is controlled to work to drive the screw rod 21 to rotate, so that the lamp body mounting seat 23 horizontally moves along the circuit board, and the side face of the circuit board is exposed; therefore, the moving mechanism can complete the uniform and comprehensive exposure treatment of the circuit board;
the working frame conveying piece comprises a first driving motor 4, a lower bracket 6, a middle bracket 7, an upper bracket 8, a mounting seat 9, a connecting shaft 10, a chain wheel 11, a chain 12 and a bearing plate body 13; the middle bracket 7 is arranged on the top end of the lower bracket 6, the upper bracket 8 is arranged on the top end of the middle bracket 7, and the lower bracket 6, the middle bracket 7 and the upper bracket 8 are arranged in parallel and are respectively positioned on two sides of the inner cavity of the exposure box body 1; the upper bracket 8 and the lower bracket 6 are respectively provided with a connecting shaft 10, chain wheels 11 are arranged on the connecting shaft 10 at equal intervals, the upper chain wheel 11 and the lower chain wheel 11 are connected through a chain 12, and a plurality of bearing plate bodies 13 are arranged on the chain 12 at equal intervals;
wherein, the lower bracket 6 is arranged on the inner wall of the exposure box body 1, the upper bracket 8 is provided with a mounting seat 9 for mounting the first driving motor 4, and two connecting shafts 10 of the upper bracket 8 are respectively connected with the output end of the first driving motor 4; therefore, when the chain transmission device works, the first driving motors 4 are respectively started to work to drive the connecting shafts 10 to rotate, so that the chains 12 are driven along the middle support 7;
referring to fig. 5, the carrier plate 13 includes a carrier frame 15, a limiting plate 16, and a material guiding hole 17; the bearing frame 15 is of a U-shaped structure, a limiting plate 16 is arranged at the end part of the bearing frame 15, which is far away from the feeding rail 2, and the limiting plate 16 plays a role in limiting and blocking when the feeding rail 2 sends the working frame of the circuit board into the bearing frame 15; meanwhile, a plurality of bearing plate bodies 13 are arranged at equal intervals, so that the circuit board can be continuously exposed, and the circuit board exposure efficiency is improved;
during work, a work frame provided with a circuit board is moved into the bearing plate body 13 through the feeding rail 2, the first driving motor 4 is controlled to work, the connecting shaft 10 is driven to rotate, the chain 12 is driven to transmit along the middle support 7, the bearing plate body 13 is driven to move from bottom to top along the exposure box body 1, the circuit board with the bottom surface subjected to exposure treatment moves upwards along the middle support 7 to the upper side of the exposure box body 1, and the top surface of the circuit board is subjected to exposure treatment, so that the work frame transmission piece realizes cyclic transmission of the circuit board, the circuit board can be conveyed onto the feeding rail 2 through the transmission piece, and feeding and discharging are realized; but also can carry out uniform and comprehensive exposure treatment on the front surface and the back surface of the circuit board; therefore, the efficiency of exposure treatment on the circuit board is greatly improved;
referring to fig. 8, a discharge plate 14 is connected to the upper exposure lamp assembly 18, the discharge plate 14 is of a U-shaped structure, the upper horizontal portion of the discharge plate 14 is mounted on a lamp body mounting seat 23, the length of the upper horizontal portion of the discharge plate 14 is greater than that of the lower horizontal portion of the discharge plate 14, and a through hole matched with the discharge plate 14 is formed in the sidewall above the exposure box 1; the limiting plate 16 is provided with a material guide hole 17 matched with the horizontal part below the discharging plate 14; when the circuit board discharging device works, the moving mechanism carries out exposure treatment on the top surface of the circuit board when driving the lamp body mounting seat 23 above to move, when the lamp body mounting seat 23 moves to the upper side of the other side of the circuit board, the circuit board exposure treatment is finished, at the moment, the moving mechanism is controlled to drive the lamp body mounting seat 23 to move forwards, the horizontal part below the discharging plate 14 sequentially passes through the through hole of the exposure box body 1 and the material guide hole 17 of the limiting plate 16, the circuit board with the exposed front side and the exposed back side is transferred onto the discharging rail 3, and the circuit board is conveyed to the next working procedure; the discharging plate 14 realizes the function of automatically discharging the circuit board after exposure processing.
Example 2
A full-automatic high-speed exposure method for a circuit board comprises the following steps:
step 1: the working frame with the circuit board is conveyed into the exposure box body 1 through the feeding track 2, so that the working frame with the circuit board is moved into the bearing plate body 13; the lower moving mechanism is controlled to drive the exposure lamp body 24 to move, and the bottom surface of the circuit board is exposed;
step 2: after the bottom surface exposure treatment of the circuit board is finished, controlling the first driving motor 4 to work to drive the connecting shaft 10 to rotate, so that the chain 12 is driven along the middle bracket 7 to drive the bearing plate body 13 to move along the exposure box body 1 from bottom to top; the next group of bearing plate bodies 13 are positioned at the horizontal position of the feeding track 2, so that the next group of working frames provided with the circuit boards are moved into the bearing plate bodies 13, and the bottom surfaces of the next group of circuit boards are exposed;
and step 3: repeating the work of the step (2), and meanwhile, transmitting the circuit board subjected to exposure treatment to the upper part of the exposure box body 1; the moving mechanism above the control drives the exposure lamp body 24 to move, and the top surface of the circuit board is exposed;
and 4, step 4: when the lamp body mounting seat 23 on the upper side moves to the upper side of the other side of the circuit board, the exposure treatment of the circuit board is finished, at the moment, the moving mechanism is controlled to drive the lamp body mounting seat 23 to move forwards, the horizontal part below the discharging plate 14 sequentially passes through the through hole of the exposure box body 1 and the material guide hole 17 of the limiting plate 16, and the circuit board with the exposed front side and the exposed back side is transferred to the discharging rail 3 and conveyed to the next working procedure.
The working principle of the utility model is as follows: the working frame with the circuit board is positioned at the bottom of the exposure box body 1, and at the moment, the bottom surface of the circuit board on the working frame is exposed through the exposure lamp component 18; then, the circuit board is conveyed to the top of the exposure box body 1 through the working frame conveying piece, and the top surface of the circuit board on the working frame is exposed through the exposure lamp component 18; the exposure device 5 can automatically and continuously expose the circuit board, thereby greatly improving the efficiency of exposing the circuit board;
the exposure lamp bodies 24 with different process requirements are arranged on the four groups of mounting plates 30, so that different exposure lamp bodies 24 can be selected according to the requirements of different circuit board production, and the applicability of the exposure device 5 can be improved; meanwhile, when the exposure lamp body 24 is switched, the rotary disc 25 is driven to rotate only by controlling the third driving motor to work, the pin shaft 26 also rotates, the pin shaft 26 enters the groove body 28 of the driven plate 27 to drive the driven plate 27 to rotate intermittently, and meanwhile, the other connecting plate 29 is driven to rotate through the connecting rod, so that the exposure lamp body 24 on the connecting plate 29 rotates, and the exposure lamp body 24 meeting the technological requirements is placed on the top.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A full-automatic high-speed exposure device for a circuit board is characterized by comprising an exposure box body (1) and an exposure device (5);
a feeding track (2) and a discharging track (3) are respectively arranged on the same side of the exposure box body (1); an exposure device (5) is arranged in the exposure box body (1);
the exposure device (5) comprises an exposure lamp assembly (18); a lamp body mounting seat (23) of an exposure lamp assembly (18) is correspondingly arranged on an upper inner cavity and a lower inner cavity of an exposure box body (1) through a moving mechanism, a rotary table (25) is rotatably arranged on a vertical part on one side of the lamp body mounting seat (23), a positioning plate (31) is arranged at the circle center of the rotary table (25), a pin shaft (26) is arranged at the position of the rotary table (25) far away from the circle center, a driven plate (27) is arranged on the lamp body mounting seat (23), and a rectangular groove body (28) matched with the pin shaft (26) is arranged on the driven plate (27); the center of the driven plate (27) is provided with connecting plates (29) at equal intervals, and the end part of each connecting plate (29) is provided with a mounting plate (30) for fixing the exposure lamp body (24).
2. The full-automatic high-speed exposure apparatus for circuit boards according to claim 1, wherein the lamp body mounting base (23) is of a U-shaped structure, the turntable (25) is linked with an output terminal of a third driving motor, and the third driving motor is provided on a side surface of the lamp body mounting base (23).
3. The full-automatic high-speed exposure apparatus for circuit boards according to claim 2, wherein the positioning plate (31) is a structure of a circular plate from which arc-shaped pieces are cut and is adapted to the driven plate (27), and the driven plate (27) is a cross-shaped structure.
4. The full-automatic high-speed exposure equipment for the circuit board according to claim 3, wherein a connecting plate (29) is correspondingly arranged on the vertical part at the other side of the lamp body mounting seat (23) in a matching way, and a mounting plate (30) is also arranged on the connecting plate (29); the two connecting plates (29) are connected through a connecting rod.
5. The full-automatic high-speed exposure apparatus for circuit boards according to claim 4, wherein the moving mechanism drives the lamp body mounting base (23) to move horizontally by means of screw transmission.
6. The full-automatic high-speed exposure equipment for the circuit board according to claim 5, wherein the exposure device (5) further comprises a working frame conveying member, and an upper bracket (8) and a lower bracket (6) are respectively arranged on the upper part and the lower part of a middle bracket (7) of the working frame conveying member; connecting shafts (10) are respectively arranged on the upper bracket (8) and the lower bracket (6), chain wheels (11) are arranged on the connecting shafts (10) at equal intervals, the upper chain wheel and the lower chain wheel (11) are connected through a chain (12), and a plurality of bearing plate bodies (13) are arranged on the chain (12) at equal intervals.
7. The full-automatic high-speed exposure equipment for the circuit board as claimed in claim 6, wherein the bearing frame (15) of the bearing plate body (13) is of a U-shaped structure, and a limiting plate (16) is arranged at the end part of the bearing frame (15) far away from the feeding rail (2).
8. The fully automatic high-speed exposure apparatus for circuit boards according to claim 7, wherein a stripper plate (14) is attached to the upper exposure lamp assembly (18), the stripper plate (14) has a U-shaped configuration, and the upper horizontal portion of the stripper plate (14) is mounted on the lamp body mounting base (23).
9. The fully automatic high-speed exposure apparatus for circuit boards according to claim 8, wherein the length of the horizontal portion above the stripper plate (14) is greater than the length of the horizontal portion below the stripper plate (14), and the side wall above the exposure housing (1) is provided with through holes adapted to the stripper plate (14); the limiting plate (16) is provided with a material guiding hole (17) matched with the horizontal part below the discharging plate (14).
10. A full-automatic high-speed exposure method for a circuit board is characterized by comprising the following steps:
step 1: the working frame provided with the circuit board is sent to a bearing plate body (13) in the exposure box body (1) through a feeding track (2); the lower moving mechanism is controlled to drive the exposure lamp body (24) to move, and the bottom surface of the circuit board is exposed;
step 2: after the bottom surface exposure treatment of the circuit board is finished, controlling the bearing plate body (13) to move from bottom to top along the exposure box body (1); enabling the next group of bearing plate bodies (13) to be located at the horizontal position of the feeding track (2), moving the next group of working frames provided with the circuit boards into the bearing plate bodies (13), and exposing the bottom surfaces of the next group of circuit boards;
and step 3: repeating the work of the step (2), and meanwhile, conveying the circuit board subjected to exposure treatment to the upper part of the exposure box body (1); the moving mechanism above the control drives the exposure lamp body (24) to move, and the top surface of the circuit board is exposed.
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| CN202210149720.9A CN114488712B (en) | 2022-02-18 | 2022-02-18 | Full-automatic high-speed exposure equipment and method for circuit board |
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| CN202210149720.9A CN114488712B (en) | 2022-02-18 | 2022-02-18 | Full-automatic high-speed exposure equipment and method for circuit board |
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| CN114488712B CN114488712B (en) | 2022-08-30 |
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| CN117406558A (en) * | 2023-11-03 | 2024-01-16 | 苏州天准科技股份有限公司 | Side exposure device |
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|---|---|
| CN114488712B (en) | 2022-08-30 |
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